Dockerfile

FROM node:16-alpine AS deps
WORKDIR /app
# Install dependencies based on the preferred package manager
COPY package.json yarn.lock* package-lock.json* pnpm-lock.yaml* ./
RUN \
  if [ -f package-lock.json ]; then npm ci; \
  elif [ -f pnpm-lock.yaml ]; then npm i -g pnpm && pnpm i --frozen-lockfile; \
  else echo "Lockfile not found." && exit 1; \
  fi

FROM node:16-alpine AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .

RUN npm run build

RUN \
  if [ -f package-lock.json ]; then npm prune --production; \
  elif [ -f pnpm-lock.yaml ]; then npm i -g pnpm && pnpm prune --production; \
  else echo "Lockfile not found." && exit 1; \
  fi

FROM node:16-alpine AS runtime
WORKDIR /app
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/build ./build
COPY --from=builder /app/package.json ./

CMD ["npm", "run", "start"]